I dimly recall once coming across advice to the effect that a half-hour spent in the company of someone who is good at his job is never wasted. I couldn’t track down an exact quotation (though you’d be surprised how often, and how rashly, people use the phrase “never wasted”), but it obviously applies to women as well, and in the case of Professor Dame Jocelyn Bell Burnell, we may safely extend the amount of unwasted time to an hour.

Indeed. Adds And here’s an embeddable clip from the programme from the BBC.